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Re: unknown aggies
Matt,
The agassizii-complex is ... well, complex! We are looking at a group of
apistos that is distributed over more than 3000 miles of the Amazon & its
tributaries. Many different color forms are known, as well as populations that
are sufficiently different from Steindachner's type material (from the
Manacapuru of Brazil) to be considered separate species. Even among the forms
we consider populations of A. agassizii we see considerable variation. Females
are particularly hard (usually impossible) to separate by population. Koslowski
(2002) recognizes 3 different varieties of true A. agassizii plus 7 "cf."
species. I tend to agree with Uwe on not mixing fish from 2 different known
populations. But when it comes to imports of unknown locations, I have no
problems breeding them together as long as you don't claim that they belong to
any particular population. Just breed them. If they eventually produce large
(50+) healthy broods then you probably have a pair of the same species. I
wouldn't worry. Just call them A. agassizii.
Mike Wise
Matt & Linda Crocker wrote:
> I brought home a male aggie several months ago, lfs only had the male
> and it was very nice looking. About a 2 months ago the lfs finally got a
> female, and I brought it home.
>
> Just this morning I was reading the Romer atlas and it warned to not
> breed aggies from "different imports".
>
> Does this apply to tank raised fish from unknown origins? How would I
> know if they are the same or from "different imports"?
>
> Matt
>
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